BCAParser(library)

<?php
defined('BASEPATH') OR exit('No direct script access allowed');
namespace BCAParser;
/**
 * Handle login request on m.bca
 *
 * no long description
 *
 * @author     kadekjayak <kadekjayak@yahoo.co.id>
 * @copyright  2016 kadekjayak
 * @license   http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
 * @version    0.1
 */

use DOMDocument;

define('BCA_PARSER_DEBUG', false);

class BCAParser {

    private $username;
    private $password;

    protected $curlHandle;

    public $_defaultTargets = [
        'loginUrl' => 'https://m.klikbca.com/login.jsp',
        'loginAction' => 'https://m.klikbca.com/authentication.do',
        'logoutAction' => 'https://m.klikbca.com/authentication.do?value(actions)=logout',
        'cekSaldoUrl' => 'https://m.klikbca.com/balanceinquiry.do'
    ];
    protected $isLoggedIn = false;

    protected $ipAddress;

    public $_defaultHeaders = array(
        'GET /login.jsp HTTP/1.1',
        'Host: m.klikbca.com',
        'Connection: keep-alive',
        'Cache-Control: max-age=0',
        'Upgrade-Insecure-Requests: 1',
        'User-Agent: Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.76 Mobile Safari/537.36',
        'Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
        'Accept-Encoding: gzip, deflate, sdch, br',
        'Accept-Language: en-US,en;q=0.8,id;q=0.6,fr;q=0.4'
    );

    /**
    * The Constructor
    * this class will make login request to BCA when initialized
    *
    * @param string $username
    * @param string $password
    */
    public function __construct($username, $password)
    {
        if( BCA_PARSER_DEBUG == true ) error_reporting(E_ALL);
        $this->username = $username;
        $this->password = $password;
        $this->curlHandle = curl_init();
        $this->setupCurl();
        $this->login($this->username, $this->password);
    }

    /**
    * Get ip address, required on login parameters
    *
    * @return String;
    */
    private function getIpAddress()
    {
        if($this->ipAddress !== null) $this->ipAddress = json_decode( file_get_contents( 'http://myjsonip.appspot.com/' ) )->ip;
        return $this->ipAddress;

    }

    /**
    * Execute the CURL and return result
    *
    * @return curl result
    */
    public function exec()
    {
        $result = curl_exec($this->curlHandle);
        if( BCA_PARSER_DEBUG == true ) {
            $http_code = curl_getinfo($this->curlHandle, CURLINFO_HTTP_CODE);
            print_r($result);

            /**
            * Perlu diwapadai jangan melakukan pengecekan dengan interval waktu dibawah 10 menit !
            */
            if($http_code == 302) {
                echo 'HALAMAN DIREDIRECT, harap tunggu beberapa menit ( biasanya 10 Menit! )';
                exit;
            }

        }
        return $result;
    }

    /**
    * Register default CURL parameters
    */
    protected function setupCurl()
    {
        curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['loginUrl'] );
        curl_setopt( $this->curlHandle, CURLOPT_POST, 0 );
        curl_setopt( $this->curlHandle, CURLOPT_HTTPGET, 1 );
        curl_setopt( $this->curlHandle, CURLOPT_HTTPHEADER, $this->_defaultHeaders);
        curl_setopt( $this->curlHandle, CURLOPT_SSL_VERIFYPEER, false );
        curl_setopt( $this->curlHandle, CURLOPT_RETURNTRANSFER, true );
        curl_setopt( $this->curlHandle, CURLOPT_COOKIEFILE,'cookie' );
        curl_setopt( $this->curlHandle, CURLOPT_COOKIEJAR, 'cookiejar' );
    }

    /**
    * Set request method on CURL to GET
    */
    protected function curlSetGet()
    {
        curl_setopt( $this->curlHandle, CURLOPT_POST, 0 );
        curl_setopt( $this->curlHandle, CURLOPT_HTTPGET, 1 );
    }

    /**
    * Set request method on CURL to POST
    */
    protected function curlSetPost()
    {
        curl_setopt( $this->curlHandle, CURLOPT_POST, 1 );
        curl_setopt( $this->curlHandle, CURLOPT_HTTPGET, 0 );
    }

    /**
    * Login to BCA
    */
    private function login($username, $password)
    {
        //Just to Get Cookies
        curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['loginUrl'] );
        $this->curlSetGet();
        $this->exec();

        //Sending Login Info
        $this->getIpAddress();
        $params = array(
            "value(user_id)={$username}",
            "value(pswd)={$password}",
            'value(Submit)=LOGIN',
            'value(actions)=login',
            "value(user_ip)={$this->ipAddress}",
            "user_ip={$this->ipAddress}",
            'value(mobile)=true',
            'mobile=true'
        );
        $params = implode( '&', $params );
        $this->curlSetPost();
        curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['loginAction'] );
        curl_setopt( $this->curlHandle, CURLOPT_REFERER, $this->_defaultTargets['loginUrl'] );
        curl_setopt( $this->curlHandle, CURLOPT_POSTFIELDS, $params );
        $this->exec();
        $this->isLoggedIn = true;
    }

    /**
     * Get saldo rekening pages
     *
     * @return string
     */
    public function getSaldo()
    {
        if( !$this->isLoggedIn ) $this->login( $this->username, $this->password );

        $this->curlSetPost();

        curl_setopt( $this->curlHandle, CURLOPT_URL, 'https://m.klikbca.com/accountstmt.do?value(actions)=menu' );
        curl_setopt( $this->curlHandle, CURLOPT_REFERER, $this->_defaultTargets['loginAction'] );
        $this->exec();
        curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['cekSaldoUrl'] );
        curl_setopt( $this->curlHandle, CURLOPT_REFERER, 'https://m.klikbca.com/accountstmt.do?value(actions)=menu' );
        $result = $this->exec();
        $result = $this->getSaldoRekeningTable($result);
        $result = $this->getArrayValuesSaldo($result);
        return $result;
    }

    /**
    * Parse the pages on saldo rekening
    * this method will return only elements on <table> tag that contain only rekening and its saldo
    *
    * @param string $html
    * @return string
    */
    private function getSaldoRekeningTable($html)
    {
        $dom = new DOMDocument();

        if ( BCA_PARSER_DEBUG ) {
            $dom->loadHTML($html);
        } else {
            @$dom->loadHTML($html);
        }

        $dom->getElementById('pagebody');

        $table = $dom->getElementsByTagName('table');
        $table = $table->item(3);
        return $dom->saveHTML($table);
    }

    /**
     * Get array value from data saldo page
     *
     * @param  string $html
     * @return array
     *  {
     *     {'rekening'=>'norek1', 'saldo'=>'100.000'},
     *     {'rekening'=>'norek2', 'saldo'=>'100.000'}
     *  }
     */
    private function getArrayValuesSaldo($html)
    {
        $dom = new DOMDocument();
        $dom->loadHTML($html);
        $table = $dom->getElementsByTagName('table');
        $rows = $dom->getElementsByTagName('tr');
        $datas = [];
        for ($i = 0; $i < $rows->length; $i++) {
            if($i == 0) continue; // skip head

            $cols = $rows->item($i)->getElementsbyTagName("td");
            $rekening = $cols->item(0)->nodeValue;
            $saldo = $cols->item(2)->nodeValue;
            $data = compact('rekening','saldo');
            $datas[] = $data;
        }
        return $datas;
    }

    /**
    * Get mutasi rekening pages
    *
    * @param string $from 'Y-m-d'
    * @param string $to 'Y-m-d'
    * @return string
    */
    public function getMutasiRekening($from, $to)
    {
        if( !$this->isLoggedIn ) $this->login( $this->username, $this->password );

        $this->curlSetPost();

        curl_setopt( $this->curlHandle, CURLOPT_URL, 'https://m.klikbca.com/accountstmt.do?value(actions)=menu' );
        curl_setopt( $this->curlHandle, CURLOPT_REFERER, $this->_defaultTargets['loginAction'] );
        $this->exec();

        curl_setopt( $this->curlHandle, CURLOPT_URL, 'https://m.klikbca.com/accountstmt.do?value(actions)=acct_stmt' );
        curl_setopt( $this->curlHandle, CURLOPT_REFERER, 'https://m.klikbca.com/accountstmt.do?value(actions)=menu' );
        $this->exec();

        $params = array(
                'r1=1',
                'value(D1)=0',
                'value(startDt)=' . date( 'j', strtotime($from) ),
                'value(startMt)=' . date( 'n', strtotime($from) ),
                'value(startYr)=' . date( 'Y', strtotime($from) ),
                'value(endDt)=' . date( 'j', strtotime($to) ),
                'value(endMt)=' . date( 'n', strtotime($to) ),
                'value(endYr)=' . date( 'Y', strtotime($to) )
                );
        $params = implode( '&', $params );

        curl_setopt( $this->curlHandle, CURLOPT_URL, 'https://m.klikbca.com/accountstmt.do?value(actions)=acctstmtview' );
        curl_setopt( $this->curlHandle, CURLOPT_REFERER, 'https://m.klikbca.com/accountstmt.do?value(actions)=acct_stmt' );
        curl_setopt( $this->curlHandle, CURLOPT_POSTFIELDS, $params );
        $html = $this->exec();

        return $this->getMutasiRekeningTable($html);
    }

    /**
    * Parse the pages on mutasi rekening
    * this method will return only elements on <table> tag that contain only list of transaction
    *
    * @param string $html
    * @return string
    */
    private function getMutasiRekeningTable($html)
    {
        $dom = new DOMDocument();

        if ( BCA_PARSER_DEBUG ) {
            $dom->loadHTML($html);
        } else {
            @$dom->loadHTML($html);
        }

        $dom->getElementById('pagebody');

        $table = $dom->getElementsByTagName('table');
        $table = $table->item(4);
        return $dom->saveHTML($table);
    }


    private function getArrayValues($html)
    {
        $dom = new DOMDocument();
        $dom->loadHTML($html);
        $table = $dom->getElementsByTagName('table');
        $rows = $dom->getElementsByTagName('tr');

        $datas = [];
        for ($i = 0; $i < $rows->length; $i++) {
            if($i== 0 ) continue;
            $cols = $rows->item($i)->getElementsbyTagName("td");

            $date = $cols->item(0)->nodeValue;
            $date = explode('/', $date);
            $date = date('Y') . '-' . $date[1] . '-' . $date[0];

            $description = $cols->item(1);
            $flows = $cols->item(2)->nodeValue;
            $descriptionText = $dom->saveHTML($description);

            $descriptionText = str_replace('<td>', '', $descriptionText);
            $descriptionText = str_replace('</td>', '', $descriptionText);
            $description = explode('<br>', $descriptionText);

            $data = compact('date','description', 'flows');
            $datas[] = $data;
        }
        return $datas;
    }


    /**
    * Ambil daftar transaksi pada janga waktu tertentu
    *
    *
    * @param string $from 'Y-m-d'
    * @param string $to 'Y-m-d'
    * @return array
    **/
    public function getListTransaksi($from, $to)
    {
        $result = $this->getMutasiRekening($from, $to);
        $result = $this->getArrayValues($result);
        return $result;
    }

    /**
    * getTransaksiCredit
    *
    * Ambil semua list transaksi credit (kas Masuk)
    *
    * @param string $from 'Y-m-d'
    * @param string $to 'Y-m-d'
    * @return array
    */
    public function getTransaksiCredit($from, $to)
    {
        $result = $this->getListTransaksi($from, $to);
        $result = array_filter($result, function($row){
            return $row['flows'] == 'CR';
        });
        return $result;
    }

    /**
    * getTransaksiDebit
    *
    * Ambil semua list transaksi debit (kas Keluar)
    * Struktur data tidak konsisten !, tergantung dari jenis transaksi
    *
    * @param string $from 'Y-m-d'
    * @param string $to 'Y-m-d'
    * @return array
    */
    public function getTransaksiDebit($from, $to)
    {
        $result = $this->getListTransaksi($from, $to);
        $result = array_filter($result, function($row){
            return $row['flows'] == 'DB';
        });
        return $result;
    }


    /**
    * Logout
    *
    * Logout from KlikBca website
    * Lakukan logout setiap transaksi berakhir!
    *
    * @return string
    */
    public function logout()
    {
        $this->curlSetGet();
        curl_setopt( $this->curlHandle, CURLOPT_URL, $this->_defaultTargets['logoutAction'] );
        curl_setopt( $this->curlHandle, CURLOPT_REFERER, $this->_defaultTargets['loginUrl'] );
        return $this->exec();
    }

}